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Have you ever counted how many envelopes are being used in our daily operation even when communication by e-mails is so common nowadays? Further, we still find many brand new envelopes being used for internal despatch of documents on campus.  If you have not been mindful of re-using envelopes for internal despatch, please consider doing it whenever feasible.  Just put all the used envelopes next to the new ones to make them convenient for your colleagues to use. Sending documents in used envelopes is not only an act of conservation in itself, but also conveys a green signal to the recipients. 

Don’t miss the chance of sending this green message next time when you pick up an envelop –- a new or used one?

Useful Tips:

• Use purposely printed envelopes for internal despatch. (Re-use them!)
• Stick your home-made label for re-using envelopes.
• Carefully open envelopes so that they can be sealed easily next time.
• Write your recipient information legibly and neatly without using labels. 

Use purposely printed envelopes.

Stick your home-made label.

Open envelopes carefully.

In order to better formulate strategies of energy saving on campus, an Energy Management Sub-committee has recently been established under the University’s Health, Safety and Environmental Committee.  Being chaired by Mr Y. K. Kam, Head of HSEO, the Sub-committee comprises members from departments representing various sectors of the University community.  If you have any good ideas on energy saving measures, please share with the Sub-committee. E-mail to HSEO via hosafety@inet.polyu.edu.hk. 

Most of us know that paper, plastic and metals are common recyclable materials.

We should also be aware that although some products seem to be made of the above materials, they may not be acceptable for recycling.  The diagram below gives you a better idea of those non-recyclables.  Bear that in mind next time you put a “recyclable” item in the recycle bins.